## Abstract Ethyl 2‐(chloromethyl)‐2‐hydroxy‐2__H__‐chromene‐3‐carboxylates **2a**–**2j** have been synthesized by reaction of substituted salicylaldehydes with ethyl 4‐chloro‐3‐oxobutanoate, in the presence of piperidine in CH~2~Cl~2~ at room temperature, in good yields.
New Facile Synthesis of 7-Hydroxy-6-amino-4-substituted Benzopyran-2-ones.
✍ Scribed by Evagelos Gikas; Maria Parissi-Poulou; Michael Kazanis; Andreas Vavagianis
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 19 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract Derivatives of the unknown 2‐amino‐6__H__‐1,3‐oxazin‐6‐one **2** have been synthesized for the first time in two steps and in excellent yields, starting from __N__‐cyanocarbonimidates **3a**–**c** and cyanoacetates. The structures of **2a**–**c** are assigned by NMR‐spectroscopic method